Two layout modifiers. centerMaster places master window at center,
on top of all other windows, which are managed by base layout.
topRightMaster is similar, but places master window in top right corner
instead of center.

Usage

This module defines two new layout modifiers: centerMaster and topRightMaster.
centerMaster places master window at center of screen, on top of others.
All other windows in background are managed by base layout.
topRightMaster is like centerMaster, but places master window in top right corner instead of center.